<template>
  <div class="hello">
    <span>{{ vx }}</span><br/>
    <h1>{{ $filters.uppercase(msg) }}</h1>
    <!-- <p>{{ upper_case('hello world!') }}</p> -->
  </div>
</template>
<script setup lang="ts">

let msg = 'hello world'

// const uppercase = (value: string) => {
//   return this.$filters.uppercase(value)
// }

// function upper_case(value: string) {
//   return this.$filters.uppercase(value)
// }

</script>this
<style lang="scss" scoped>

.hello {
  color: blue;
}
</style>
